(!) 47 Tungsol Aristocrat low hours/tests like new 1940”s (38ma Gm=2770) (highest mA and Gm)

47 Tungsol Aristocrat low hours/tests like new 1940”s in white box

38ma

Gm=2770

NOS Ma range 26-31ma

NOS Gm range 2300-2500

(2.5 watts)

(2.5V filament)